Class: ActiveadminMcp::RecordUpdater

Inherits:
Object
  • Object
show all
Defined in:
lib/activeadmin_mcp/record_updater.rb

Overview

Updates a single ActiveAdmin-managed record, enforcing the same three gates the admin UI would: the resource must expose the update action, the current user must be authorized, and only fields the admin form permits are written.

Defined Under Namespace

Classes: PermitError

Constant Summary collapse

UPDATE = 
:update

Instance Method Summary collapse

Constructor Details

#initialize(resource:, current_user:) ⇒ RecordUpdater

Returns a new instance of RecordUpdater.



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# File 'lib/activeadmin_mcp/record_updater.rb', line 13

def initialize(resource:, current_user:)
  @resource = resource
  @current_user = current_user
end

Instance Method Details

#call(id:, attributes:) ⇒ Object 



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# File 'lib/activeadmin_mcp/record_updater.rb', line 18

def call(id:, attributes:)
  config = @resource[:config]

  return error("Resource is not editable: #{@resource[:name]}") unless editable?(config)

  record = @resource[:model].find_by(id: id)
  return error("Record not found: #{@resource[:name]}##{id}") unless record

  unless authorized?(config, record)
    return error("Not authorized to update #{@resource[:name]}##{id}")
  end

  begin
    permitted = permitted_attributes(config, attributes)
  rescue PermitError => e
    return error(e.message)
  end
  return error("No permitted attributes to update") if permitted.empty?

  if record.update(permitted)
    {
      resource: @resource[:name],
      id: record.id,
      updated: permitted.keys,
      record: record.as_json,
    }
  else
    error("Validation failed", details: record.errors.full_messages)
  end
end